NSN 1660-01-555-0729 · NIIN 015550729 · Part number BWT15991-1
Senior Uk Limited Div Senior Aerospace Bwt · FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories · CAGE K2962
Government record, cited
NSN 1660-01-555-0729 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-555-0729. Manufacturer of record part number: BWT15991-1.
Also searched as1660-01-555-0729 ·
1660015550729 ·
NIIN 015550729 ·
01-555-0729 ·
FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment · CAGE K2962 · BWT15991-1 · 901-325-552-101
Manufacturer of record: Senior Uk Limited Div Senior Aerospace Bwt
Identification
NSN: 1660-01-555-0729
NIIN: 015550729
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
FSG: 16 — Aircraft Components and Accessories
Primary part number: BWT15991-1
Manufacturer: Senior Uk Limited Div Senior Aerospace Bwt
General Description
The Duct Assembly,air Conditioning-H, cataloged under National Stock Number 1660-01-555-0729, is classified within Federal Supply Class 1660 (Aircraft Air Conditioning, Heating, and Pressurizing Equipment) of the Aircraft Components and Accessories group. The manufacturer of record is Senior Uk Limited Div Senior Aerospace Bwt. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
1660-01-555-0729
Primary Part Number
BWT15991-1
Item Name
Duct Assembly,air Conditioning-H
FSC / FSG
1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
Other items in FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1660-00-006-4472
FLANGE,VALVE BODY
1660-00-009-5646
ADAPTER ASSEMBLY,BELLOWS
1660-00-019-8389
1660-00-019-8389 · Item name not on file
1660-00-019-8399
1660-00-019-8399 · Item name not on file
1660-00-031-5285
1660-00-031-5285 · Item name not on file
1660-00-302-4390
PISTON,REGULATING V
1660-00-441-0575
PISTON
1660-01-601-0729
ETHERNET SWITCH
Frequently Asked Questions
What is NSN 1660-01-555-0729?
NSN 1660-01-555-0729 is a Duct Assembly,air Conditioning-H, manufactured by Senior Uk Limited Div Senior Aerospace Bwt, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
What part numbers are listed for NSN 1660-01-555-0729?
NSN 1660-01-555-0729 has 2 manufacturer part numbers on file: 901-325-552-101 (The Boeing Company), BWT15991-1 (Senior Uk Limited Div Senior Aerospace Bwt).
What are the specifications of BWT15991-1?
Key specifications for BWT15991-1: Part Name Assigned by Controlling Agency: DUCT-FLEX, AV COOLING,LRU2AND3; End Item Identification: CV-22 AIRCRAFT. 0 specifications are documented in the U.S. Government catalog.
Is NSN 1660-01-555-0729 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
What is the DEMIL code for NSN 1660-01-555-0729?
NSN 1660-01-555-0729 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.